Non-24-hour sleep–wake disorder
Posted in Sleep disorders

Non-24-hour sleep–wake disorder

Non 24 hour sleep wake disorder refers to a steady pattern of one- to two-hour delays in sleep onset and wake times in people with normal living conditions.

Who is at risk for non-24-hour sleep-wake disorder?

The condition most commonly affects people who are blind, due to an impaired sense of light-dark cycles.

What causes non-24-hour sleep–wake disorder?

This occurs because the period of the person’s sleep-wake cycle is longer than 24 hours.

Can non-24-hour sleep–wake disorder occur in people who can see?

Yes. Non 24 hour sleep wake disorder can also affect sighted people.

What causes non-24-hour sleep–wake disorder?

The cause of the disorder in these cases is incompletely understood, but studies suggest melatonin levels play a role.

What are the symptoms and signs of non-24-hour sleep–wake disorder?

  • Abnormal pineal melatonin secretion
  • Asthenia
  • Blindness
  • Depressivity
  • Depression
  • Excessive daytime sleepiness

What is the treatment for Non-24-hour sleep–wake disorder?

The Food and Drug Administration (FDA) approved Tasimelteon (Brand name: Hetlioz) for the treatment of non-24-hour sleep-wake disorder.

Non-24-hour sleep–wake disorder related questions

  • What is Non 24 Hour Sleep Wake Disorder?
  • What is non 24 sleep disorder?
  • Do I have non 24?
  • What is Irregular sleep?

How can W8MD help?

Sleep Medicine Program uses state of the art technology including the convenient home sleep studies or in lab sleep diagnostic studies to diagnose and treat over 80 different sleep disorders including sleep apnea, narcolepsy, restless leg syndrome, insomnia to name a few. Learn More…

Prab R. Tumpati, MD. Dr. Tumpati is the founder and medical director of W8MD Weight Loss, Sleep and MedSpa Centers. Dr Tumpati is board certified physician practicing sleep medicine, obesity medicine, aesthetic medicine and internal medicine. Dr. Tumpati’s passion is to educate patients and get to the root of the problem rather than "band aid medicine". As a physician with fellowship training in Obesity Medicine, Dr. Tumpati has a unique approach to wellness, weight loss, and medical aesthetics with a focus on prevention rather than cure. Dr. Tumpati takes pride in helping patients come of many chronic life style medications such as blood pressure, cholesterol or diabetes medications by helping them lose weight and change their life style. Dr Tumpati believes in evidence based medicine rather than fad diets that do not work and works with each patient taking their unique situation in to consideration that causes them to gain weight so he can find a customized solution. Serving as the medical director of the W8MD's New York City, Cherry Hill NJ and greater Philadelphia offices, Dr Tumpati is the leading weight loss, sleep and aesthetic medicine physician in the tristate areas of Pennsylvania, New Jersey and New York.


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